Samsung FIRENZE2-R Service Manual page 52

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5. Troubleshooting
17. Modem does not work normally.
→ Check if the Modem driver is properly installed.
→ Check if the MDC is connected to Main board properly.
→ Check if the RJ11 Cable is connected to Main board properly.
→ Replace the Main board.
18. Bluetooth does not work normally.
→ Check if the Bluetooth driver and application are properly installed.
→ Check the Bluetooth cable is connected to Main board properly.
→ Replace the Main board
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